Dietsch, B. M. (2006). Reasoning and writing well: A rhetoric, research guide, reader, and handbook. Boston: McGraw-Hill.
Dyfyniad Arddull ChicagoDietsch, Betty M. Reasoning and Writing Well: A Rhetoric, Research Guide, Reader, and Handbook. Boston: McGraw-Hill, 2006.
Dyfyniad MLADietsch, Betty M. Reasoning and Writing Well: A Rhetoric, Research Guide, Reader, and Handbook. Boston: McGraw-Hill, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.